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xen-devel
Re: [Xen-devel] permit_access functionality
No, those functions are (currently) only for allowing I/O access for PV
guests. The recent VT-d patches provide direct I/O functionality for HVM
guests, if you have capable hardware.
-- Keir
On 28/9/07 18:49, "Jayant Mangalampalli" <Jayant_Mangalampalli@xxxxxxxxxxx>
wrote:
> What is the exact use of ioport_permit_access() and irq_permit_access() kind
> of functions? If I permit port/irq access to HVM guest for a particular port
> or IRQ, does that mean guest VCPU does not issue a hypercall when accessing
> them? If a PIRQ is asserted by physical hardware, can hvm guest directly get
> notification if given such access?
>
> Thanks
> Jayant
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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